Table 3.

Estimated poverty lines, poverty rates, and prevalence of poor health outcome

Health outcome	Poverty line		Poverty rate (%)	Prevalence (%) of poor health outcome
		(× median incomea)		Below the	Above the	Differenced
				poverty line (A)	poverty line (B)	(A – B)
Poor/fair SRHb	Conventionally defined	0.50	14.1	18.1	12.2	5.9
(N = 633,258)		0.60	19.9	17.4	11.9	5.4
	Method I	0.86	38.0	15.8	11.3	4.5
	Method II	0.67	24.4	17.0	11.8	5.2
Poor SRH	Conventionally defined	0.50	14.1	2.7	1.3	1.4
(N = 633,258)		0.60	19.9	2.5	1.2	1.3
	Method I	0.84	36.5	2.2	1.1	1.1
	Method II	0.68	25.1	2.4	1.1	1.3
Subjective symptom	Conventionally defined	0.50	14.3	39.1	32.7	6.4
(N = 633,258)		0.60	20.1	38.3	32.4	5.9
	Method I	0.86	38.3	36.7	31.6	5.1
	Method II	0.76	30.9	37.4	31.9	5.5
ADLc problem	Conventionally defined	0.50	14.3	16.7	11.0	5.7
(N = 559,269)		0.60	20.1	16.0	10.8	5.2
	Method I	0.86	38.0	14.5	10.2	4.3
	Method II	0.68	25.2	15.6	10.5	5.0
Psychological distress	Conventionally defined	0.50	14.9	6.1	3.7	2.4
(N = 139,132)		0.60	20.5	5.9	3.5	2.4
	Method I	0.72	28.1	5.6	3.4	2.2
	Method II	0.69	26.1	5.7	3.4	2.3

Note. ^acalculated in each year. ^bself-rated health. ^cactivities of daily life. ^dthe maximum values for each health outcome are underlined